Untabify C files. Will watch buildbots.
diff --git a/Parser/listnode.c b/Parser/listnode.c
index c0b3b66..b5f8ad2 100644
--- a/Parser/listnode.c
+++ b/Parser/listnode.c
@@ -12,7 +12,7 @@
 void
 PyNode_ListTree(node *n)
 {
-	listnode(stdout, n);
+    listnode(stdout, n);
 }
 
 static int level, atbol;
@@ -20,47 +20,47 @@
 static void
 listnode(FILE *fp, node *n)
 {
-	level = 0;
-	atbol = 1;
-	list1node(fp, n);
+    level = 0;
+    atbol = 1;
+    list1node(fp, n);
 }
 
 static void
 list1node(FILE *fp, node *n)
 {
-	if (n == 0)
-		return;
-	if (ISNONTERMINAL(TYPE(n))) {
-		int i;
-		for (i = 0; i < NCH(n); i++)
-			list1node(fp, CHILD(n, i));
-	}
-	else if (ISTERMINAL(TYPE(n))) {
-		switch (TYPE(n)) {
-		case INDENT:
-			++level;
-			break;
-		case DEDENT:
-			--level;
-			break;
-		default:
-			if (atbol) {
-				int i;
-				for (i = 0; i < level; ++i)
-					fprintf(fp, "\t");
-				atbol = 0;
-			}
-			if (TYPE(n) == NEWLINE) {
-				if (STR(n) != NULL)
-					fprintf(fp, "%s", STR(n));
-				fprintf(fp, "\n");
-				atbol = 1;
-			}
-			else
-				fprintf(fp, "%s ", STR(n));
-			break;
-		}
-	}
-	else
-		fprintf(fp, "? ");
+    if (n == 0)
+        return;
+    if (ISNONTERMINAL(TYPE(n))) {
+        int i;
+        for (i = 0; i < NCH(n); i++)
+            list1node(fp, CHILD(n, i));
+    }
+    else if (ISTERMINAL(TYPE(n))) {
+        switch (TYPE(n)) {
+        case INDENT:
+            ++level;
+            break;
+        case DEDENT:
+            --level;
+            break;
+        default:
+            if (atbol) {
+                int i;
+                for (i = 0; i < level; ++i)
+                    fprintf(fp, "\t");
+                atbol = 0;
+            }
+            if (TYPE(n) == NEWLINE) {
+                if (STR(n) != NULL)
+                    fprintf(fp, "%s", STR(n));
+                fprintf(fp, "\n");
+                atbol = 1;
+            }
+            else
+                fprintf(fp, "%s ", STR(n));
+            break;
+        }
+    }
+    else
+        fprintf(fp, "? ");
 }